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You searched for: subject:"feedback control"
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[texts]Mitrovic's method : some fundamental techniques - Thaler, George J. (George Julius), 1918- ; Ohta, Toyomi

Keywords: Feedback control systems
Downloads: 34
[texts]On the realization of linear multivariable control systems - Thaler, George J. (George Julius), 1918- ; Rung, Bui Tien
Bibliography: leaf 39
Keywords: Feedback control systems
Downloads: 33
[texts]Feedback control systems : design with regard to sensitivity - Rung, Bui Tien ; Thaler, George J.
Errata tipped in following title page.
Keywords: Feedback control systems
Downloads: 52
[texts]Backlash in second order feedback control systems - Thaler, George J. (George Julius), 1918-

Keywords: Feedback control systems
Downloads: 66
[texts]Approximate identity operator for continuous servomechanisms with time lag - Fountain, Glen H.
This volume was digitized and made accessible online due to deterioration of the original print copy.
Keywords: Feedback control systems; Servomechanisms
Downloads: 15
[texts]Sampled-data control systems - Ragazzini, John Ralph, 1912-
Includes bibliography
Keywords: Feedback control systems
Downloads: 1,250
[texts]An introduction to sampled data and switching logic. (Volume NBS Technical Note 334) - Davis, Thomas L.

Keywords: Feedback control systems; Logic circuits
Downloads: 30
[texts]Linear control system optimization using a model-based index of performance - Demetry, James S.
AD480934
Keywords: Feedback control systems; Automatic control
Downloads: 38
[texts]Linear control system optimization using a model-based index of performance - Demetry, James S.;Titus, Harold A.
AD480934
Keywords: Feedback control systems; Automatic control
Downloads: 111
[texts]Method for the analysis and synthesis of second-order systems with continuous time delay - Hemmel, David Lee.
This volume was digitized and made accessible online due to deterioration of the original print copy.
Keywords: Automatic control; Feedback control systems
Downloads: 27
[texts]Feedback Control Theory - John Doyle

Keywords: electrical engineering; feedback control; engineering
Downloads: 367
[texts]Nonlinear controller for underdamped systems - Webb, Joseph C.
This volume was digitized and made accessible online due to deterioration of the original print copy.
Keywords: Automatic control; Feedback control systems
Downloads: 87
[texts]Self-adaptive control systems - Thaler, George J. (George Julius), 1918-

Keywords: Servomechanisms; Automatic control; Feedback control systems
Downloads: 55
[texts]An engineering study of a digital tachometer and its effects on feedback control systems. - Goeschel, Georg W.;Parker, Sydney Richard,
ADA003543
Keywords: Feedback control systems; Mathematical models; Automatic control
Downloads: 224
[texts]System noise in feedback mechanisms presently utilized by Florida community colleges - Delaino, George Thomas
http://uf.catalog.fcla.edu/uf.jsp?st=UF000096889&ix=nu&I=0&V=D
Keywords: Community colleges--Florida--Administration; Feedback control systems
Downloads: 51
[texts]Self-adaptive control systems. Part II : Block diagram models for the airframe, and some approaches to active compensation - Thaler, George J. (George Julius), 1918-

Keywords: Servomechanisms; Automatic control; Feedback control systems; Aerodynamics
Downloads: 40
[texts]Telemaze : a feedback control system for the remote positioning of a distant exploratory vehicle (Volume Report (University of Illinois at Urbana-Champaign. Dept. of Computer Science) no. 683) - Pott, Edward James
"UIUCDCS-R-74-683"
Keywords: Roving vehicles (Astronautics); Feedback control systems
Downloads: 43
[texts]Analysis of an incremental digital positioning servosystem with digital rate feedback - Beckett, J. T
Incremental digital positioning servosystem with digital rate feedback
Keywords: DIGITAL DATA; FEEDBACK; FEEDBACK CONTROL; POSITIONING; SERVOMECHANISMS; TACHOMETERS; DIGITAL DATA; FEEDBACK CONTROL SYSTEM
Downloads: 75
[texts]Thermal Sinusoidal Vibration and Transient Response of Magnetostrictive Functionally Graded Material Plates without Shear Effects
The study of laminated magnetostrictive functionally graded material (FGM) plate without shear deformation under thermal sinusoidal vibration and transient response is calculated by using the generalized differential quadrature (GDQ) method. In the thermoelastic stress-strain relations that containing a power-law function of a two-material FGM plate, the linear temperature rise and the magnetostrictive coupling terms with velocity feedback control...
Keywords: Magnetostrictive; FGM; Shear Deformation; Thermal Vibration; GDQ; Velocity Feedback Control
Downloads: 1
[texts]OPTIMIZATION LINEAR CLOSED-LOOP SYSTEMS WITH APPLICATION TO TURBOJET ENGINE CONTROLS - Boksenbom, A. S.
No Abstract Available
Keywords: ENGINE CONTROL; FEEDBACK CONTROL; LINEAR SYSTEMS; OPTIMIZATION; SERVOMECHANISMS; TURBOJET ENGINES
Downloads: 88
[texts]Optimizing for minimum response time in a linear system with limited control effort - Demetry, James S. ; Titus, Harold A.

Keywords: Feedback control systems; Automatic control; Self-organizing systems
Downloads: 33
[texts]Development of Cr-Li-Y2O3 coatings for chromium-base alloys Final report - Clark, J. W
Plasma sprayed chromium lithium yttria coatings for improved oxidation resistance of chromium alloys
Keywords: COMPUTER STORAGE DEVICES; FEEDBACK CONTROL; MAGNETIC CORES; PULSE COMMUNICATION
Downloads: 91
[texts]On the Possibility of Ill-Conditioned Covariance Matrices in the First-Order Two-Step Estimator - Garrison, James L.
The first-order two-step nonlinear estimator, when applied to a problem of orbital navigation, is found to occasionally produce first step covariance matrices with very low eigenvalues at certain trajectory points. This anomaly is the result of the linear approximation to the first step covariance propagation. The study of this anomaly begins with expressing the propagation of the first and second step covariance matrices in terms of a single matrix...
Keywords: ACTUATORS; FEEDBACK CONTROL; LINEAR PROGRAMMING; CONTROL THEORY; CONTROLLERS; NONLINEARITY
Downloads: 84
[texts]Control and Identification of Turbulent Boundary Layer Separation - Seifert, Avi
Effective delay of turbulent boundary layer separation could be achieved via closed-loop control. Constructing such a system requires that sensor data be processed, real-time, and fed into the controller to determine the output. Current methods for detection of turbulent boundary layer separation are lacking the capability of localized, fast and reliable identification of the boundary layer state. A method is proposed for short-time FFT processing of time series, measured by hot-film sensors, wi...
Keywords: FEEDBACK CONTROL; NONLINEARITY; RICCATI EQUATION; EQUATIONS OF STATE; REGULATORS
Downloads: 101
[texts]Time Dependent Simulation of Turbopump Flows - Kwak, Dochan
Viewgraphs detailing time-dependent simulations of Turbopump flows are presented. The topics include: 1) Major Drivers of Current Work; 2) Solution Methods; and 3) Unsteady Turbopump Flow.
Keywords: FEEDBACK CONTROL; FLIGHT MANAGEMENT SYSTEMS; BLOCK DIAGRAMS; AIRFRAMES; REGULATORS
Downloads: 116
[texts]Time-Extended Payoffs for Collectives of Autonomous Agents - Tumer, Kagan
A collective is a set of self-interested agents which try to maximize their own utilities, along with a a well-defined, time-extended world utility function which rates the performance of the entire system. In this paper, we use theory of collectives to design time-extended payoff utilities for agents that are both aligned with the world utility, and are ''learnable'', i.e., the agents can readily see how their behavior affects their utility...
Keywords: MODULATORS; INTEGRATED CIRCUITS; FEEDBACK CONTROL; POWER SUPPLY CIRCUITS
Downloads: 55
[texts]Effects of time delay in the visual feedback loop of a man-machine system - LESLIE M. J
Effects of time delay in visual feedback loop of man-machine system
Keywords: AUDITORY PERCEPTION; MAN-MACHINE SYSTEM; SENSORY FEEDBACK; TIME DELAY; FEEDBACK; FEEDBACK CONTROL; MAN MACHINE SYSTEMS; SENSORY FEEDBACK; TIME DEPENDENCE; TIME LAG; AUDITORY PERCEPTION; FEEDBACK CONTROL SYSTEM
Downloads: 103
[texts]Advanced photovoltaic power system technology for lunar base applications - Brinker, David J.
The development of an advanced photovoltaic power system that would have application for a manned lunar base is currently planned under the Surface Power element of Pathfinder. Significant mass savings over state-of-the-art photovoltaic/battery systems are possible with the use of advanced lightweight solar arrays coupled with regenerative fuel cell storage. The solar blanket, using either ultrathin GaAs or amorphous silicon solar cells, would be integrated with a reduced-g structure...
Keywords: CONTROLLERS; DYNAMIC CONTROL; FLEXIBLE BODIES; STRUCTURAL DESIGN; DYNAMIC RESPONSE; FEEDBACK CONTROL; VECTORS (MATHEMATICS)
Downloads: 107
[texts]Applications of Space-Filling-Curves to Cartesian Methods for CFD - Aftosmis, Michael J.
The proposed paper presents a variety novel uses of Space-Filling-Curves (SFCs) for Cartesian mesh methods in 0. While these techniques will be demonstrated using non-body-fitted Cartesian meshes, most are applicable on general body-fitted meshes -both structured and unstructured. We demonstrate the use of single O(N log N) SFC-based reordering to produce single-pass (O(N)) algorithms for mesh partitioning, multigrid coarsening, and inter-mesh interpolation...
Keywords: ENGINE PARTS; FATIGUE LIFE; LIFE (DURABILITY); STATISTICAL ANALYSIS; COMPONENT RELIABILITY; FEEDBACK CONTROL; MAINTENANCE; DAMAGE
Downloads: 83
[texts]Circulation of air masses in the upper atmosphere during the IQSY - Biybosunov, I. B.
Results of measurements during the period from 1964 to 1965 on air mass circulation are presented.
Keywords: AUTOMATIC CONTROL; MANIPULATORS; SELF ADAPTIVE CONTROL SYSTEMS; DYNAMIC STRUCTURAL ANALYSIS; FEEDBACK CONTROL; REMOTE CONTROL; SERVOMECHANISMS
Downloads: 113
[texts]Transonic wind-tunnel investigation of static- pressure fluctuations in duct of a scale inlet model of a supersonic fighter-bomber airplane - Brooks, J. D
No Abstract Available
Keywords: AUTOMATIC PILOTS; BALLISTIC MISSILES; IMPACT PREDICTION; REENTRY TRAJECTORIES; TERMINAL GUIDANCE; FEEDBACK CONTROL
Downloads: 71
[texts]Space Station Science Payload Integration Management Study - NON
The Space Station Science Payload Integration Management Study was performed to provide the Office of Space Science and Applications (OSSA) with a concept and recommendation for managing the major integration activities for OSSA Science payloads during the Space Station era beginning with Permanent Manage Capability (PMC) through mature operations. It is anticipated that OSSA will manage and provide the majority of the United States user Science Payloads that are conducted on the Space Station...
Keywords: DAMPING; STIFFNESS; FEEDBACK CONTROL; MATHEMATICAL MODELS; PIEZOELECTRIC CERAMICS; SMART STRUCTURES; TRUSSES; ACTUATORS; COMPOSITE MATERIALS; FLEXIBLE BODIES
Downloads: 87
[texts]Effect of radiometric errors on accuracy of temperature-profile measurement by the spectral scanning method - Buchele, D. R
Effect of radiometric errors on accuracy of temperature profile measurement of exhaust gases by spectral scanning method
Keywords: CAPACITANCE SWITCHES; FEEDBACK CIRCUITS; INTEGRATORS; SIGNAL PROCESSING; FEEDBACK AMPLIFIERS; FEEDBACK CONTROL; GROUND EFFECT (AERODYNAMICS)
Downloads: 85
[texts]Basic Gravitational Reflexes in the Larval Frog - Cochran, Stephen L
This investigation was designed to determine how a primitive vertebrate, the bullfrog tadpole, is able to sense and process gravitational stimuli. Because of the phylogenetic similarities of the vestibular systems in all vertebrates, the understanding of the gravitational reflexes in this relatively simple vertebrate should elucidate a skeletal framework on a elementary level, upon which the more elaborate reflexes of higher vertebrates may be constructed...
Keywords: FEEDBACK CONTROL; INSTRUMENT ERRORS; EFFECTIVENESS; VIBRATION; MIRRORS; STIRRING; PAYLOADS; MATHEMATICAL MODELS; ACTIVE CONTROL
Downloads: 75
[texts]A methodology for determining the elastic constants of in-situ rocks - Kefeli, A. S., et al
Methodology for determining elastic constants of in situ rocks during engineering and geological surveys
Keywords: ACTUATORS; HYDRAULIC EQUIPMENT; SERVOCONTROL; FEEDBACK CONTROL; FLIGHT SIMULATORS; FLOW VELOCITY; FLUID FLOW
Downloads: 57
[texts]Atomic Data and Spectral Line Intensities for Ni XXI - Bhatia, A. K.
Electron impact collision strengths, energy levels, oscillator strengths and spontaneous radiative decay rates are calculated for Ni XXI. The configurations used are 2s(sup 2)2p(sup 4), 2s2p(sup 5), 2p(sup 6), 2s(sup 2)2p(sup 3)3s, and 2s(sup 2)3p(sup 3)3d giving rise to 58 fine-structure levels in intermediate coupling. Collision strengths are calculated at five incident energies, 85, 170, 255, 340, and 425 Ry...
Keywords: FLIGHT SIMULATORS; VERTICAL MOTION SIMULATORS; PILOT PERFORMANCE; ACCURACY; FEEDBACK CONTROL; FUZZY SYSTEMS
Downloads: 57
[texts]Instrumentation and modification of the IRI/M50 robot for automatic control research - Spaulding, Gregory L.
This volume was digitized and made accessible online due to deterioration of the original print copy.
Keywords: Robots, Industrial--Design and construction; Pneumatic control valves; Feedback control systems
Downloads: 19
[texts]Choice of animal components of closed ecological systems - Mironova, N. V
Use of Tilapia mossambica Peters as component of closed ecological systems for human food during long space missions
Keywords: CHLORELLA; CONTROL EQUIPMENT; FEEDBACK CONTROL; PHOTOSYNTHESIS; ELECTROCHEMISTRY; LIGHT (VISIBLE RADIATION); PHOTOELECTRICITY
Downloads: 69
[texts]DCHT - Double containment boiler hydrogen transport computer program for SNAP-8 - Yee, D
No Abstract Available
Keywords: HUMAN REACTIONS; SENSORY PERCEPTION; SPACE ORIENTATION; VESTIBULAR TESTS; CONTROL EQUIPMENT; FEEDBACK CONTROL; MATHEMATICAL MODELS
Downloads: 94
[texts]Development and Testing of Feedback Control System for Fused Deposition by Electrochemical Discharge (FDED) Process
Previous researches [1,2] on Fused Deposition through Electrochemical Discharge (FDED) process have revealed that the periodic instantaneous current wave formĀ  (ICWF) is the characteristic of the process and it is significant to maintain the nature of current waveform in order to have a deposition of consistent metallographic properties. The precise control of process parameters is essential for maintainingthe current wave form...
Keywords: Fused Deposition by Electrochemical Discharge; Feedback control; Discrete event control system; Proportional controller; Deposition rate
Downloads: 31
[texts]A study of the effects of relative humidity on small particle adhesion to surfaces - Whitfield, W. J.
Ambient dust ranging in size from less than one micron up to 140 microns was used as test particles. Relative humidities of 33% to 100% were used to condition test surfaces after loading with the test particles. A 20 psi nitrogen blowoff was used as the removal mechanism to test for particle adhesion. Particles were counted before and after blowoff to determine retention characteristics. Particle adhesion increased drastically as relative humidity increased above 50%...
Keywords: ATLAS LAUNCH VEHICLES; TITAN LAUNCH VEHICLES; VIBRATION TESTS; CONFERENCES; DYNAMIC CHARACTERISTICS; FEEDBACK CONTROL; STRUCTURAL VIBRATION
Downloads: 130
[texts]Dielectric Properties of Piezoelectric Polyimides - Ounaies, Z.
Molecular modeling and dielectric measurements are being used to identify mechanisms governing piezoelectric behavior in polyimides such as dipole orientation during poling, as well as degree of piezoelectricity achievable. Molecular modeling on polyimides containing pendant, polar nitrile (CN) groups has been completed to determine their remanent polarization. Experimental investigation of their dielectric properties evaluated as a function of temperature and frequency has substantiated numeric...
Keywords: FEEDBACK CONTROL; CONTROLLERS; DISSIPATION; CONTROL SYSTEMS DESIGN; EIGENVALUES; MINIMAX TECHNIQUE; QUADRATIC EQUATIONS; FLEXIBLE BODIES
Downloads: 106
[texts]Measurement of plasma flow rate with a head pressure pipe - Voropayev, A. A., et al
Measuring plasma flow rate with head pressure pipe and method of measuring static pressure
Keywords: AUTOMOBILES; DIRECTIONAL CONTROL; HIGHWAYS; MAN MACHINE SYSTEMS; OPERATOR PERFORMANCE; CONFERENCES; FEEDBACK CONTROL; MANUAL CONTROL; MATHEMATICAL MODELS
Downloads: 56
[texts]Airworthiness Qualification Criteria for Rotorcraft with External Sling Loads - Key, David L
This report presents the results of a study to develop airworthiness requirements for rotorcraft with external sling loads. The report starts with a review of the various phenomena that limit external sling load operations. Specifically discussed are the rotorcraft-load aeroservoelastic stability, load-on handling qualities, effects of automatic flight control system failure, load suspension system failure, and load stability at speed...
Keywords: FEEDBACK CONTROL; MACH NUMBER; SIDEBANDS; CAVITIES; AEROACOUSTICS; ACTUATORS; PRESSURE SENSORS; LEADING EDGES; BANDWIDTH; NOISE SPECTRA; EXCITATION
Downloads: 100
[texts]Development of heavy gage bonded honeycomb - NON
No Abstract Available
Keywords: FEEDBACK CONTROL; NONLINEAR SYSTEMS; OPTIMAL CONTROL; APPROXIMATION; HAMILTON-JACOBI EQUATION; PERFORMANCE PREDICTION; TIME DEPENDENCE
Downloads: 192
[texts]Aeronomical problem of neutral helium and hydrogen - Kockarts, G., et al
No Abstract Available
Keywords: DYNAMIC RESPONSE; FUEL FLOW; MATHEMATICAL MODELS; RAMJET ENGINES; FEEDBACK CONTROL; LAPLACE TRANSFORMATION; MACH NUMBER; TRANSFER FUNCTIONS
Downloads: 86
[texts]THE EFFECT OF THE TITANIUM CONTENT ON THE ACTIVE CORROSION OF FERRITIC R-STEELS AND AUSTENITIC CR-NI-STEELS IN SULFURIC ACID - HERBSLEB, G
THE STEELS OF TYPES X5 CRNIMOTI 25 25 AND X5 CRNI 18 9 ARE COMPARED WITH RESPECT TO THEIR BEHAVIOR IN THE SENSITIZED STATE, AND THE CORROSION PROPERTIES ARE DISCUSSED FROM THE STANDPOINT OF THE CHROMIUM DEPLETION THEORY.
Keywords: AUTOMATIC FREQUENCY CONTROL; FEEDBACK CONTROL; FREQUENCY STABILITY; LOW PASS FILTERS; OSCILLATORS
Downloads: 84
[texts]Two-stage, fully reusable space shuttle lunar mission capability - Eilertson, W. H
No Abstract Available
Keywords: DATA SYSTEMS; LUNAR ORBITAL RENDEZVOUS; REENTRY TRAJECTORIES; TABLES (DATA); FEEDBACK CONTROL; GRAPHS (CHARTS); SPACECRAFT GUIDANCE
Downloads: 107
[texts]Internal Dynamics and Boundary Forcing Characteristics Associated with Interannual Variability of the Asian Summer Monsoon - Lau, K.- M.
In this paper, we present a description of the internal dynamics and boundary forcing characteristics of two major components of the Asian summer monsoon (ASM), i.e., the South Asian (SAM) and the Southeast-East Asian monsoon (SEAM). The description is based on a new monsoon-climate paradigm in which the variability of ASM is considered as the outcome of the interplay of a ''fast'' and an ''intermediate'' monsoon subsystem, under the influenced of the ''slow'' varying external forcings...
Keywords: SATELLITE CONSTELLATIONS; FEEDBACK CONTROL; AUTONOMOUS NAVIGATION; EARTH SCIENCES; ALGORITHMS; LOW COST; SIMULATION
Downloads: 63
[texts]Study of cost/benefit tradeoffs for reducing the energy consumption of the commercial air transportation system - Coykendall, R. E.
Economic studies were conducted for three general fuel conserving options: (1) improving fuel consumption characteristics of existing aircraft via retrofit modifications; (2) introducing fuel efficient derivations of existing production aircraft and/or introducing fuel efficient, current state-of-the-art new aircraft; and (3) introducing an advanced state-of-the-art turboprop airplane. These studies were designed to produce an optimum airline fleet mix for the years 1980, 1985 and 1990...
Keywords: CONTROL THEORY; FEEDBACK CONTROL; LOW LEVEL TURBULENCE; BANDPASS FILTERS; FLIGHT CONTROL
Downloads: 151
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